EP0141742A3 - Buffer system for input/output portion of digital data processing system - Google Patents

Buffer system for input/output portion of digital data processing system Download PDF

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Publication number
EP0141742A3
EP0141742A3 EP84402191A EP84402191A EP0141742A3 EP 0141742 A3 EP0141742 A3 EP 0141742A3 EP 84402191 A EP84402191 A EP 84402191A EP 84402191 A EP84402191 A EP 84402191A EP 0141742 A3 EP0141742 A3 EP 0141742A3
Authority
EP
European Patent Office
Prior art keywords
input
data processing
digital data
buffer
output portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP84402191A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0141742A2 (en
Inventor
William F. Bruckert
Barry Flahive
James V. Lacy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digital Equipment Corp
Original Assignee
Digital Equipment Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Digital Equipment Corp filed Critical Digital Equipment Corp
Publication of EP0141742A2 publication Critical patent/EP0141742A2/en
Publication of EP0141742A3 publication Critical patent/EP0141742A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Information Transfer Systems (AREA)
EP84402191A 1983-11-07 1984-10-31 Buffer system for input/output portion of digital data processing system Withdrawn EP0141742A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US549608 1983-11-07
US06/549,608 US4860244A (en) 1983-11-07 1983-11-07 Buffer system for input/output portion of digital data processing system

Publications (2)

Publication Number Publication Date
EP0141742A2 EP0141742A2 (en) 1985-05-15
EP0141742A3 true EP0141742A3 (en) 1989-04-12

Family

ID=24193709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84402191A Withdrawn EP0141742A3 (en) 1983-11-07 1984-10-31 Buffer system for input/output portion of digital data processing system

Country Status (8)

Country Link
US (1) US4860244A (enrdf_load_stackoverflow)
EP (1) EP0141742A3 (enrdf_load_stackoverflow)
JP (1) JPS60186956A (enrdf_load_stackoverflow)
AU (1) AU575352B2 (enrdf_load_stackoverflow)
CA (1) CA1227879A (enrdf_load_stackoverflow)
DK (1) DK526584A (enrdf_load_stackoverflow)
FI (1) FI844341L (enrdf_load_stackoverflow)
IE (1) IE842855L (enrdf_load_stackoverflow)

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JPH027163A (ja) * 1988-06-24 1990-01-11 Brother Ind Ltd データ入・出力装置
JPH07122868B2 (ja) * 1988-11-29 1995-12-25 日本電気株式会社 情報処理装置
US5117486A (en) * 1989-04-21 1992-05-26 International Business Machines Corp. Buffer for packetizing block of data with different sizes and rates received from first processor before transferring to second processor
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US5179662A (en) * 1989-08-31 1993-01-12 International Business Machines Corporation Optimized i/o buffers having the ability to increase or decrease in size to meet system requirements
US5218683A (en) * 1989-10-30 1993-06-08 Hayes Microcomputer Products, Inc. Method and apparatus for concealing the enablement of a device by modifying a status word
US5687396A (en) * 1989-12-04 1997-11-11 Canon Kabushiki Kaisha Data buffer apparatus with interrupted transmission/reception
US5729708A (en) * 1989-12-04 1998-03-17 Canon Kabushiki Kaisha Portable data buffer apparatus with manually controlled reception/transmission
US5101477A (en) * 1990-02-16 1992-03-31 International Business Machines Corp. System for high speed transfer of data frames between a channel and an input/output device with request and backup request count registers
US5315708A (en) * 1990-02-28 1994-05-24 Micro Technology, Inc. Method and apparatus for transferring data through a staging memory
US5185876A (en) * 1990-03-14 1993-02-09 Micro Technology, Inc. Buffering system for dynamically providing data to multiple storage elements
AU8417591A (en) * 1990-07-16 1992-02-18 Tekstar Systems Corporation Interface system for data transfer with remote peripheral independently of host processor backplane
US5241630A (en) * 1990-11-13 1993-08-31 Compaq Computer Corp. Device controller with a separate command path between a host and the device and a separate data path including a first in, first out memory between the host and the device
US5276808A (en) * 1991-02-04 1994-01-04 International Business Machines Corporation Data storage buffer system and method
US5377328A (en) * 1991-06-05 1994-12-27 Data General Corporation Technique for providing improved signal integrity on computer systems interface buses
US5222216A (en) * 1991-07-12 1993-06-22 Thinking Machines Corporation High performance communications interface for multiplexing a plurality of computers to a high performance point to point communications bus
US5887196A (en) * 1991-12-30 1999-03-23 Apple Computer, Inc. System for receiving a control signal from a device for selecting its associated clock signal for controlling the transferring of information via a buffer
US5848297A (en) * 1991-12-30 1998-12-08 Apple Computer, Inc. Control apparatus for maintaining order and accomplishing priority promotion in a computer interconnect
US5640599A (en) * 1991-12-30 1997-06-17 Apple Computer, Inc. Interconnect system initiating data transfer over launch bus at source's clock speed and transfering data over data path at receiver's clock speed
JPH05257851A (ja) * 1991-12-30 1993-10-08 Apple Computer Inc データの転送の順序を制御させる装置
CA2080210C (en) * 1992-01-02 1998-10-27 Nader Amini Bidirectional data storage facility for bus interface unit
US5325401A (en) * 1992-03-13 1994-06-28 Comstream Corporation L-band tuner with quadrature downconverter for PSK data applications
US5396597A (en) * 1992-04-03 1995-03-07 International Business Machines Corporation System for transferring data between processors via dual buffers within system memory with first and second processors accessing system memory directly and indirectly
FI90708C (fi) * 1992-04-23 1994-03-10 Nokia Telecommunications Oy Menetelmä sekä järjestelmä digitaalisten signaalien siirtämiseksi digitaalisen signaaliprosessorin ja siihen liitettyjen oheispiirien välillä
US5418911A (en) * 1992-06-09 1995-05-23 Intel Corporation Data path switch method and apparatus that provides capacitive load isolation
TW276312B (enrdf_load_stackoverflow) * 1992-10-20 1996-05-21 Cirrlis Logic Inc
US5499384A (en) * 1992-12-31 1996-03-12 Seiko Epson Corporation Input output control unit having dedicated paths for controlling the input and output of data between host processor and external device
US5483640A (en) * 1993-02-26 1996-01-09 3Com Corporation System for managing data flow among devices by storing data and structures needed by the devices and transferring configuration information from processor to the devices
US6067408A (en) * 1993-05-27 2000-05-23 Advanced Micro Devices, Inc. Full duplex buffer management and apparatus
US5664224A (en) * 1993-07-23 1997-09-02 Escom Ag Apparatus for selectively loading data blocks from CD-ROM disks to buffer segments using DMA operations
US5623607A (en) * 1993-10-05 1997-04-22 Hitachi, Ltd. Data transfer control method for controlling transfer of data through a buffer without causing the buffer to become empty or overflow
US5416520A (en) * 1993-11-30 1995-05-16 Intel Corporation Multiple encoder output buffer apparatus for differential coding of video information
US5615392A (en) * 1995-05-05 1997-03-25 Apple Computer, Inc. Method and apparatus for consolidated buffer handling for computer device input/output
US5802278A (en) * 1995-05-10 1998-09-01 3Com Corporation Bridge/router architecture for high performance scalable networking
US5592622A (en) * 1995-05-10 1997-01-07 3Com Corporation Network intermediate system with message passing architecture
US5805930A (en) * 1995-05-15 1998-09-08 Nvidia Corporation System for FIFO informing the availability of stages to store commands which include data and virtual address sent directly from application programs
US5732286A (en) * 1995-08-10 1998-03-24 Cirrus Logic, Inc. FIFO based receive packet throttle for receiving long strings of short data packets
JPH1040168A (ja) * 1996-07-29 1998-02-13 Ricoh Co Ltd データ処理装置
EP0859323B1 (en) * 1997-02-14 2007-03-21 Canon Kabushiki Kaisha Data transmission apparatus, system and method, and image processing apparatus
US5958026A (en) * 1997-04-11 1999-09-28 Xilinx, Inc. Input/output buffer supporting multiple I/O standards
US6073190A (en) 1997-07-18 2000-06-06 Micron Electronics, Inc. System for dynamic buffer allocation comprising control logic for controlling a first address buffer and a first data buffer as a matched pair
US6243769B1 (en) 1997-07-18 2001-06-05 Micron Technology, Inc. Dynamic buffer allocation for a computer system
US6661421B1 (en) 1998-05-21 2003-12-09 Mitsubishi Electric & Electronics Usa, Inc. Methods for operation of semiconductor memory
US6559851B1 (en) 1998-05-21 2003-05-06 Mitsubishi Electric & Electronics Usa, Inc. Methods for semiconductor systems for graphics processing
US6504550B1 (en) 1998-05-21 2003-01-07 Mitsubishi Electric & Electronics Usa, Inc. System for graphics processing employing semiconductor device
US6535218B1 (en) 1998-05-21 2003-03-18 Mitsubishi Electric & Electronics Usa, Inc. Frame buffer memory for graphic processing
US6145032A (en) * 1998-09-21 2000-11-07 International Business Machines Corporation System for recirculation of communication transactions in data processing in the event of communication stall
US6993605B2 (en) 2001-02-28 2006-01-31 Sharp Laboratories Of America, Inc. Adaptive run-time data transfer optimization
JP2008146459A (ja) * 2006-12-12 2008-06-26 Toshiba Corp インタフェースコントローラ、リードアクセス制御方法及び該インタフェースコントローラを備える情報処理装置
US8111331B2 (en) * 2007-07-09 2012-02-07 Cisco Technology, Inc. Image resizer and resizing method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249924A (en) * 1962-12-31 1966-05-03 Ibm Asynchronous data processing system
DE2802160A1 (de) * 1977-01-21 1978-07-27 Schrack Elektrizitaets Ag E Einrichtung zur zeitlichen pufferung seriell einlangender bitfolgen in einem oder mehreren silospeichern
US4378588A (en) * 1976-09-07 1983-03-29 Tandem Computers Incorporated Buffer control for a data path system
DE3149678A1 (de) * 1981-12-15 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Anordnung zur zwischenspeicherung von zwischen zwei funktionseinheiten in beiden richtungen zu uebertragenden informationen in einem pufferspeicher
EP0094746A2 (en) * 1982-04-21 1983-11-23 Digital Equipment Corporation High-speed data transfer unit for digital data processing system

Family Cites Families (10)

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JPS51104233A (enrdf_load_stackoverflow) * 1975-03-12 1976-09-14 Hitachi Ltd
US4099231A (en) * 1975-10-01 1978-07-04 Digital Equipment Corporation Memory control system for transferring selected words in a multiple memory word exchange during one memory cycle
US4156906A (en) * 1977-11-22 1979-05-29 Honeywell Information Systems Inc. Buffer store including control apparatus which facilitates the concurrent processing of a plurality of commands
US4204251A (en) * 1977-12-28 1980-05-20 Finn Brudevold Interconnection unit for multiple data processing systems
US4245303A (en) * 1978-10-25 1981-01-13 Digital Equipment Corporation Memory for data processing system with command and data buffering
US4232366A (en) * 1978-10-25 1980-11-04 Digital Equipment Corporation Bus for a data processing system with overlapped sequences
JPS5917445B2 (ja) * 1979-05-25 1984-04-21 オムロン株式会社 デ−タ転送方式
JPS5833972B2 (ja) * 1979-11-12 1983-07-23 富士通株式会社 計算機システム間通信方式
US4509115A (en) * 1982-04-21 1985-04-02 Digital Equipment Corporation Two-port memory controller
AU575351B2 (en) * 1983-11-07 1988-07-28 Digital Equipment Corporation Data processing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249924A (en) * 1962-12-31 1966-05-03 Ibm Asynchronous data processing system
US4378588A (en) * 1976-09-07 1983-03-29 Tandem Computers Incorporated Buffer control for a data path system
DE2802160A1 (de) * 1977-01-21 1978-07-27 Schrack Elektrizitaets Ag E Einrichtung zur zeitlichen pufferung seriell einlangender bitfolgen in einem oder mehreren silospeichern
DE3149678A1 (de) * 1981-12-15 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Anordnung zur zwischenspeicherung von zwischen zwei funktionseinheiten in beiden richtungen zu uebertragenden informationen in einem pufferspeicher
EP0094746A2 (en) * 1982-04-21 1983-11-23 Digital Equipment Corporation High-speed data transfer unit for digital data processing system

Also Published As

Publication number Publication date
AU575352B2 (en) 1988-07-28
JPS60186956A (ja) 1985-09-24
FI844341A7 (fi) 1985-05-08
DK526584A (da) 1985-06-14
IE842855L (en) 1985-05-07
US4860244A (en) 1989-08-22
FI844341A0 (fi) 1984-11-06
AU3489484A (en) 1985-05-16
EP0141742A2 (en) 1985-05-15
FI844341L (fi) 1985-05-08
CA1227879A (en) 1987-10-06
JPH0332094B2 (enrdf_load_stackoverflow) 1991-05-09
DK526584D0 (da) 1984-11-06

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Inventor name: FLAHIVE, BARRY

Inventor name: BRUCKERT, WILLIAM F.

Inventor name: LACY, JAMES V.